package com.atbun.orderservice.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.atbun.commonutils.R;
import com.atbun.orderservice.entity.Order;
import com.atbun.orderservice.entity.PayLog;
import com.atbun.orderservice.mapper.PayLogMapper;
import com.atbun.orderservice.service.OrderService;
import com.atbun.orderservice.service.PayLogService;
import com.atbun.orderservice.utils.HttpClient;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.github.wxpay.sdk.WXPayUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;

import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.TimeUnit;

/**
 * <p>
 * 支付日志表 服务实现类
 * </p>
 *
 * @author testjava
 * @since 2020-05-20
 */
@Service
public class PayLogServiceImpl extends ServiceImpl<PayLogMapper, PayLog> implements PayLogService {
    @Autowired
    private OrderService orderService;

    /**
     * 生成微信支付二维码
     * @param orderNo
     * @return
     */
    @Override
    public Map createNative(String orderNo) {
        try {
//            根据订单id获取订单信息
            QueryWrapper<Order> orderQueryWrapper = new QueryWrapper<>();
            orderQueryWrapper.eq("order_no",orderNo);
            Order order = this.orderService.getOne(orderQueryWrapper);

            Map m = new HashMap();
            //1、设置支付参数
            m.put("appid", "wx74862e0dfcf69954"); // #关联的公众号appid
            m.put("mch_id", "1558950191"); // #商户号
            m.put("nonce_str", WXPayUtil.generateNonceStr()); //生成随机的二维码
            m.put("body", order.getCourseTitle()); // 课程名称
            m.put("out_trade_no", orderNo); // 订单流水号
            m.put("total_fee", order.getTotalFee().multiply(new BigDecimal("100")).longValue()+""); // 金额
            m.put("spbill_create_ip", "127.0.0.1"); // 支付的ip，实际可以写域名。如baidu.com
            m.put("notify_url", "http://guli.shop/api/order/weixinPay/weixinNotify"); //回调地址
            m.put("trade_type", "NATIVE");

            //2、HTTPClient来根据URL访问第三方接口并且传递参数
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");

            //client设置参数
            client.setXmlParam(WXPayUtil.generateSignedXml(m, "T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            client.post();
            //3、返回第三方的数据
            String xml = client.getContent();
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);
            //4、封装返回结果集

            Map map = new HashMap<>();
            map.put("out_trade_no", orderNo);
            map.put("course_id", order.getCourseId());
            map.put("total_fee", order.getTotalFee());
            map.put("result_code", resultMap.get("result_code"));
            map.put("code_url", resultMap.get("code_url"));

            //微信支付二维码2小时过期，可采取2小时未支付取消订单
//            redisTemplate.opsForValue().set(orderNo, map, 120, TimeUnit.MINUTES);
            return map;
        } catch (Exception e) {
            e.printStackTrace();
            return new HashMap<>();
        }
    }

    /**
     * 查询支付结果
     * @param orderNo
     * @return
     */
    @Override
    public Map<String, String> queryPayStatus(String orderNo) {
        try{
            //1、封装参数
            Map m = new HashMap<>();
            m.put("appid", "wx74862e0dfcf69954");
            m.put("mch_id", "1558950191");
            m.put("out_trade_no", orderNo);
            m.put("nonce_str", WXPayUtil.generateNonceStr());

//            2、设置请求 微信支付状态的固定url
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/orderquery");
            client.setXmlParam(WXPayUtil.generateSignedXml(m,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            client.post();

//            3、返回第三方数据
            String xml = client.getContent();
//            转成map返回
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);
            return resultMap;
        }catch (Exception e){
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 更改支付状态
     * @param map
     */
    @Override
    public void updateOrderStatus(Map<String, String> map) {
//        根据map的值获取支付结果
        String orderNo = map.get("out_trade_no");
//        根据订单id查询订单信息
        QueryWrapper<Order> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("order_no",orderNo);
        Order order = this.orderService.getOne(queryWrapper);

//        判断订单状态，如果状态是1，那么已支付成功
        if (1 == order.getStatus().intValue()){
            return;
        }
//        如果不是1，那么就修改为1
        order.setStatus(1);
        orderService.updateById(order);

//        添加支付记录
        PayLog payLog=new PayLog();
        payLog.setOrderNo(order.getOrderNo());//支付订单号
        payLog.setPayTime(new Date());
        payLog.setPayType(1);//支付类型
        payLog.setTotalFee(order.getTotalFee());//总金额(分)
        payLog.setTradeState(map.get("trade_state"));//支付状态
        payLog.setTransactionId(map.get("transaction_id"));
        payLog.setAttr(JSONObject.toJSONString(map));
        baseMapper.insert(payLog);//插入到支付日志表
    }

}
